From df9559ce249fdb6dc848abe24c2c127ed0481c54 Mon Sep 17 00:00:00 2001
From: Sandy Huang <hjc@rock-chips.com>
Date: Wed, 25 Aug 2021 16:57:05 +0800
Subject: [PATCH] drm/rockchip: driver: add to get dclk pll source

Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I8f5f48a51d5ffa70312c142511aebe498f8eb796
---
 drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 7bfbaea596bb..fa81441082a1 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -15,6 +15,7 @@
 #include <linux/of_address.h>
 #include <linux/of_graph.h>
 #include <linux/of_platform.h>
+#include <linux/clk.h>
 #include <linux/component.h>
 #include <linux/console.h>
 #include <linux/iommu.h>
@@ -597,6 +598,25 @@ static int rockchip_drm_bind(struct device *dev)
 	mutex_init(&private->psr_list_lock);
 	mutex_init(&private->commit_lock);
 
+	private->hdmi_pll.pll = devm_clk_get_optional(dev, "hdmi-tmds-pll");
+	if (PTR_ERR(private->hdmi_pll.pll) == -EPROBE_DEFER) {
+		ret = -EPROBE_DEFER;
+		goto err_free;
+	} else if (IS_ERR(private->hdmi_pll.pll)) {
+		dev_err(dev, "failed to get hdmi-tmds-pll\n");
+		ret = PTR_ERR(private->hdmi_pll.pll);
+		goto err_free;
+	}
+	private->default_pll.pll = devm_clk_get_optional(dev, "default-vop-pll");
+	if (PTR_ERR(private->default_pll.pll) == -EPROBE_DEFER) {
+		ret = -EPROBE_DEFER;
+		goto err_free;
+	} else if (IS_ERR(private->default_pll.pll)) {
+		dev_err(dev, "failed to get default vop pll\n");
+		ret = PTR_ERR(private->default_pll.pll);
+		goto err_free;
+	}
+
 	ret = rockchip_drm_init_iommu(drm_dev);
 	if (ret)
 		goto err_free;